In this paper, the performance of opportunistic random beamforming (RBF) and the multiuser
(MU) gain in millimeter-wave (mm-wave) MU multiple-input single-output (MISO) downlink …

This paper is concerned with the channel estimation problem in millimeter wave (mmWave)
wireless systems with large antenna arrays. By exploiting the inherent sparse nature of the …

In this paper, adaptive training beam sequence design for efficient channel estimation in
large millimeter-wave (mmWave) multiple-input multiple-output (MIMO) channels is …

Millimeter‐wave bands (mmWave) are considered as a strong candidate for achieving high‐
quality communication links for the future outdoor cellular systems to overcome the spectrum …

과거 단순한 문자 메시지 전송 및 음성 통화 서비스만을 제공하던 무선 단말기는 현재 실시간
HD 급 고화질 동영상 시청 및 화상 통화 서비스를 포함한 다양한 애플리케이션의 기능을 …

The global shortage of microwave bandwidth has become a critical issue that may inhibit the
growth of mobile networks needing to support content-rich applications. For this reason, the …

With the rapid development of the mobile internet, emerging new applications and the
Internet of Things (IoT), existing communications have several constraints to fulfill highspeed …

In conventional initial acquisition (IA) process, a base-station (BS) periodically transmits
synchronization signals called pilot signals on downlink (DL) channels to assist a user …

This paper investigates how to maximize the practical communication quality of multi-user
millimeter-wave (mmWave) MIMO systems with uncertain environment through effectively …

In this paper, the performance of the single-estimation and multiple-estimation is
investigated in multiple-input multiple-output (MIMO) Rician flat fading channels using the …